package com.mmall.service.impl;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.mmall.common.ServerResponse;
import com.mmall.dao.ShippingMapper;
import com.mmall.pojo.Shipping;
import com.mmall.service.IShippingService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class ShippingServiceImpl implements IShippingService {

    @Autowired
    private ShippingMapper shippingMapper;

    public ServerResponse add(Integer userId, Shipping shipping) {
        shipping.setUserId(userId);
        int rowCount = shippingMapper.insert(shipping);
        if (rowCount > 0) {
            Map result = new HashMap();
            result.put("shippingId", shipping.getId());
            return ServerResponse.retSuccess("新建地址成功", result);
        }
        return ServerResponse.retErrorMsg("新建地址失败");
    }

    public ServerResponse delete(Integer userId, Integer shippingId) {
        int resultCount = shippingMapper.deleteByShippingIdUserId(userId,shippingId);
        if (resultCount > 0) {
            return ServerResponse.retSuccessMsg("删除地址成功");
        }
        return ServerResponse.retErrorMsg("删除地址失败");
    }

    public ServerResponse update(Integer userId, Shipping shipping) {
        shipping.setUserId(userId);
        int rowCount = shippingMapper.updateByUserId(shipping);
        if (rowCount > 0) {
            return ServerResponse.retSuccessMsg("更新地址成功");
        }
        return ServerResponse.retErrorMsg("更新地址失败");
    }

    public ServerResponse select(Integer userId, Integer shippingId) {
        Shipping shipping = shippingMapper.selectByShippingIdUserId(userId,shippingId);
        if (shipping == null) {
            return ServerResponse.retErrorMsg("无法查询到该地址");
        }
        return ServerResponse.retSuccess("查询地址成功",shipping);
    }

    public ServerResponse list(Integer userId, int pageNum, int pageSize) {
        PageHelper.startPage(pageNum, pageSize);
        List<Shipping> shippingList = shippingMapper.selectByUserId(userId);
        PageInfo pageInfo = new PageInfo(shippingList);
        return ServerResponse.retSuccessData(pageInfo);
    }
}
